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Finding the Fourth Proportional to 22,357.40, 33,541.92 and 9,880.16

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Solution

The fourth proportional to 22,357.40, 33,541.92 and 9,880.16 is: 14,822.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,357.40 : 33,541.92 = 9,880.16 : x
  2. Step 2: Convert to fraction form
    22,357.40/33,541.92 = 9,880.16/x
  3. Step 3: Cross multiply
    22,357.40x = 33,541.92 × 9,880.16
  4. Step 4: Simplify right side
    22,357.40x = 331,399,536.31
  5. Step 5: Solve for x
    x = 331,399,536.31/22,357.40
  6. Step 6: Final answer
    x = 14,822.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.